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Table of Contents

Offshore

04/01/2014
Volume 74, Issue 4
1404off-cover
  • Frontier Africa Focus

    • Majors mass to reassess South Africa's offshore plays

      Exploration off South Africa has entered a new era, with Total/CNR preparing to drill the country's first ultra-deepwater well in 1,450 m (4,757 ft) of water off the south coast. What was once a relative offshore backwater has become one of Africa's hot spots, with all available near-shore and frontier deepwater licenses taken up.

    • Offshore Namibia shows hydrocarbon potential

      To better understand the petroleum systems offshore Namibia, Petroleum Geo-Services, in association with NAMCOR, acquired two 2D surveys using the GeoStreamer with GeoSource dual-sensor broadband towed streamer system

  • Brazil

    • Petrobras FPSOs queue up at SBM's new Brasa yard

      Just across the Guanabara Bay from Rio de Janeiro and the global headquarters of Petrobras, SBM’s Brasa shipyard in Niteroi is completing its first project since opening in July 2012, the FPSO Cidade de Ilhabela. The remarkably urban location of the country’s only fully dedicated FPSO yard brings advantages as well as obstacles.

  • 60 Years of Offshore

    • Offshore at 60: Remembering the Creole field

      On March 18, 1938, production of oil from a well drilled by Pure Oil and Superior Oil in the Gulf of Mexico marked the birth of the offshore industry. A look back at both the Creole platform and others that followed after World War II provides a glimpse of history in the making.

    • From Offshore, September 1970

      Selected from the September 1970 issue of Offshore, the article describes Signal Exploration & Development Co.'s well, Ghana 10-1, the country's first oil discovery.

    • Offshore at 60: offshore drilling evolves to meet industry needs

      Offshore magazine recently met with Calvin V. Norton, senior vice president for Friede & Goldman Ltd., to get an overview of the evolution in technology in the offshore drilling market, and a sense of where the industry is headed in the next few years.

  • Geology & Geophysics

    • Customized seismic support vessels assist global campaigns

      CGG and BOURBON signed an industry-first, five-year charter agreement for six purpose-designed seismic support vessels to be built and delivered in series. The new vessels, fitted with hybrid propulsion systems, are designed for multiple tasks including personnel transportation for crew rotations; bunkering operations; operational protection and assistance; and support during maintenance.

  • Drilling and Completion

    • New DTS interpretation improves matrix acidizing offshore Mexico

      The Schlumberger ACTive live downhole coiled tubing (CT) was selected for real-time treatment monitoring of subsequent matrix acidizing jobs. The ACTive CT services convey live downhole measurements on fiber-optics, telemetry-enabled CT, and consist of a bottomhole assembly, surface electronics and interpretation software. Downhole data, including internal and external pressures, temperature, casing collar locator, gamma ray and distributed temperature sensing, can be used for various intervention operations independently. However, PEMEX was most interested in how these measurements can be used collectively to optimize acidizing.

    • Managed pressure drilling meets challenges of deepwater well

      A managed pressure drilling system, used in conjunction with a continuous circulating device to control wellbore pressure, helped an international E&P company successfully drill a difficult section of an deepwater exploration well in Ghana, West Africa, in 2012. The operator and service company Weatherford implemented the MicroFlux MPD Control System, a closed-loop system that enables accurate detection and effective management of minute fluid influxes in challenging wellbores.

    • One-trip casing exit milling saves time during complex drilling

      Performing a casing exit to create a secondary wellbore involves a whipstock assembly to direct the mill toward the side of the existing casing where an exit is then milled. However, today’s wellbore requires advanced drilling assemblies with a range of technologies, including electronics and measuring devices that send data back to the operator. Drilling assemblies have necessarily gotten larger to accommodate these additional tools. The need for effective tools to address the size, length, and stiffness of newer drilling assemblies led Baker Hughes to develop the LongBow casing exit milling system.

    • Steering for the sweet spots

      Rotary steerable systems (RSS) have proven to be the go-to tools for precision directional drilling. Offshore surveyed the market and the result is a synopsis of the latest in rotary steerable technology from leading providers.

    • 2014 Rotary steerable systems directory

      Get the latest detailed and comprehensive listing of rotary steerable systems available on the market.

  • Engineering, Construction, Installation

    • Careful planning precedes successful platform installation at Ekofisk

      The Ekofisk field, operated by ConocoPhillips Norway, is located in the southern part of the Norwegian North Sea. The field has been in operation for more than 40 years. Upon hook-up and commissioning in 1Q 2014, the new 2/4L accommodation platform will be the world’s largest offshore living quarters platform and will serve as a safe haven for the Ekofisk complex staff.

    • Ice simulation software targets protection of Arctic platforms and substructures

      To date, platforms for cold regions typically have been designed using empirically based codes for loadings, with ice formations being modeled at scale in an ice basin using certain design criteria. However, a tool that will accurately predict ice behavior, to calculate loadings, and simulate the flow of ice as it encroaches on and ideally passes by a platform structure without a dangerous build-up is needed. Technip, Cervval, and Bureau Veritas are developing such an ice simulation program.

  • Productions Operations

    • Minimal facility production buoys could unlock 'stranded' North Sea resources

      One partnership is working to develop economic solutions for marginal fields even in the 5-10 MMbbl range. This involves use of what they term "buoyant solutions" which can be unmanned, minimal facility production buoys or self-installing floating towers, both suited to rapid depletion of small fields and easy re-configuration for service elsewhere. Enegi Oil and ABTechnology, via their joint venture ABT Oil and Gas, are working on a first potential application on the 10-MMbbl Fyne field in the UK central North Sea.

  • Subsea

    • Agnostic valve packs can assure ROV availability for subsea intervention

      The success of intensive subsea interventions projects rests on three big elements: a work-class ROV, external kits, and the linking component between them -- valve packs. Therefore, as deepwater projects continue to increase and intervention projects increase in complexity, the need to source valve packs will rise. Agnostic valve packs can continue to benefit current and future projects in these circumstances because they are universally applicable.

    • Resident AUV system with subsea dock in development

      As autonomous underwater vehicle (AUV) operations increase in scale and complexity, the need for subsea persistence increases. The combination of Battelle and OceanWorks is developing resident AUV interface infrastructure that would make possible remote inspection and intervention without the need for surface support or complex umbilical handling systems.

  • Pipelines & Flowlines

    • Non-chemical products offer effective flow assurance solutions

      The "2014 Survey of Offshore Non-Chemical Flow Assurance Solutions" poster, which can be found in this issue of Offshore, provides a comprehensive list of non-chemical solutions to flow assurance issues, and offers updated reference tools and design data for deepwater field development.

  • Departments

Related Articles

GAC signs global ship agency agreement with PGS

Jul 11, 2014

GAC Group has signed a frame agreement for ship agency services with Norwegian seismic company Petroleum Geo-Services (PGS) for its oil and gas exploration activities globally.

Forum Energy confirms SC72 license extension

Jul 11, 2014

Forum Energy has confirmed that the Philippine Department of Energy has granted the company's request for an extension to the second sub-phase of Service Contract 72 (SC72).

BG Group completes sale of interest in CATS pipeline and infrastructure

Jul 11, 2014 BG Group has completed the sale of its 62.78% equity interest in the Central Area Transmission System (CATS) gas pipeline in the UK North Sea and associated infrastructure to Antin Infrastructure P...

Halliburton is first to receive API Q2 certification

Jul 11, 2014 Halliburton's Baroid drilling fluids and waste management service line has received the American Petroleum Institute (API) Specification Q2 certification – an advanced industry certification standa...

Aker Solutions updates proposed demerger

Jul 11, 2014 The board of directors of Aker Solutions ASA, in accordance with the strategy disclosed April 30, has resolved to propose to the company's shareholders that Aker Solutions be split into two compani...

Trending News

GAC signs global ship agency agreement with PGS

Jul 11, 2014

GAC Group has signed a frame agreement for ship agency services with Norwegian seismic company Petroleum Geo-Services (PGS) for its oil and gas exploration activities globally.

Forum Energy confirms SC72 license extension

Jul 11, 2014

Forum Energy has confirmed that the Philippine Department of Energy has granted the company's request for an extension to the second sub-phase of Service Contract 72 (SC72).

BG Group completes sale of interest in CATS pipeline and infrastructure

Jul 11, 2014

BG Group has completed the sale of its 62.78% equity interest in the Central Area Transmission System (CATS) gas pipeline in the UK North Sea and associated infrastructure to Antin Infrastructure Partners.

Halliburton is first to receive API Q2 certification

Jul 11, 2014

Halliburton's Baroid drilling fluids and waste management service line has received the American Petroleum Institute (API) Specification Q2 certification – an advanced industry certification standard for oil and natural gas service companies – for its work in the Gulf of Mexico.

Aker Solutions updates proposed demerger

Jul 11, 2014

The board of directors of Aker Solutions ASA, in accordance with the strategy disclosed April 30, has resolved to propose to the company's shareholders that Aker Solutions be split into two companies. The board has also determined to write down the value of some assets in the Aker Oilfield Services unit of Akastor, one of two companies that will emerge from the separation.

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